Muhammad, ImranKarma, Asmara2017-11-142017-11-142017-11-14wahyu sari yenihttp://repository.unri.ac.id:8080/xmlui/handle/123456789/9063We discuss and do some analysis on numerical integration based on interpolation, midpoint, trapezoidal rule and Simpson rule. We end up with some new formulas, which are not mentioned in numerical analysis textbooks. The strategy we discuss, in terms of pedagogy, illuminate how research on mathematics can be carry out.ennumerical integrationmidpoint ruletrapezoidal ruleSimpson ruleArticle